CVE-2026-48937

HIGH

7.5

CVSS Score

Published: June 18, 2026 at 06:01 PM UTC

Updated: October 25, 2026 at 11:10 PM UTC

1 product affected across 1 vendorNode.js

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Severity

HIGH7.5

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Node.js · Node.js

95%

22.0 ≤ v < 22.23.024.0.0 ≤ v < 24.17.022.22.3 24.16.0

Affected range stops below 22.23.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 24.17.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

References (2)

PatchVendor Advisory

Source: cverecord

https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

Issue TrackingThird Party Advisory

Source: cverecord

https://hackerone.com/reports/3658225

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-400

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